2 citations · 2 across the 5 of their papers we have counts for
9 papers
On the Magnetic Field in Kpc-Scale Jets of FR I Radio Galaxies
L. Stawarz, A. Siemiginowska, M. Ostrowski +1
The energy content of large-scale jets in FR I radio galaxies is still an open issue. Here we show that upper limits on the high-energy and very high-energy gamma-ray emission of t…
On Multiwavelength Emission and Morphology of Large-Scale Quasar Jets
L. Stawarz, M. Sikora, M. Ostrowski +1
We propose that the knots of the large-scale jets in powerful radio sources represent moving and separate portions of the jet matter, with the excess kinetic power. This can explai…
Gamma-ray bursts from alternating-current jets
M. Sikora, M. C. Begelman, P. Coppi +1
We propose a gamma-ray burst scenario involving relativistic jets dominated by Poynting flux with alternating toroidal magnetic fields. Such a structure may arise naturally if the…
Learning about Jets from Observations of Blazars
Marek Sikora, Greg Madejski
Jets, paving their way outward through the inner regions of active nuclei, Compton-interact with the UV radiation from an accretion disc and broad emission line region. We calculat…
On Radiation Drag and Neutrons in GRBs
Tomasz Bulik, Marek Sikora, Rafal Moderski
As it was recently shown by Derishev etal (1999), initial GRB ejecta are likely to contain comparable number of protons and neutrons. During acceleration process, and/or later, due…
Synergy Between Observations of AGN with GLAST and MAXI - Detecting X-ray Precursors of Gamma-ray Flares in Blazars
Greg Madejski, Marek Sikora, Tsuneyoshi Kamae
The EGRET instrument onboard of CGRO detected a number of gamma-ray flares from blazars, and it is expected that GLAST, to be launched in 2006, should detect many more such flares.…